Learning is your game.
You're the player.

Set up your first learning planet, let Lio build you learning questions in seconds – and decide: Battle against friends or Solo Training at your own pace.

LIO
Battle question in the Learn Battle app
Learn Battle app home screen
The learning problem

Studying often feels disorganized – and starts far too late.

Scripts pile up, flashcards get boring after the third session, and you usually only find out whether the material really stuck once you're in the exam. Learn Battle makes your knowledge visible from day one – in short rounds that are actually fun.

  • ×Scripts feel endless – you don't know where to start.
  • ×Flipping through flashcards alone takes willpower, and motivation is gone after three sessions.
  • ×You only find out what you really know – and don't – once you're in the exam.
  • ×Studying together rarely works out because everyone has a different plan.
Lio in the Lioverse

Your companion
in the Lioverse

Lio builds your learning questions, reminds you to take study breaks, and keeps your streak alive. A companion that thinks along with you – with zero performance pressure.

🔥 7 day streak – keep it up!
Try the Lio mini-game →
Four ways to learn

Choose how you want to train today.

Battle for competition. Solo for focus. Worlds for the long haul. Learning packs for an overview – all on the same material, with the same progress.

Battle

Challenge friends or other learners: 4 rounds, real questions, one winner. Collect points, climb the ranks, show your skill.

Lio in Battle mode

Solo Training

Spaced repetition instead of rote memorizing: Lio shows you exactly the questions that are shaky right now – at your own pace, with no opponent.

Lio during Solo Training

Explore worlds

Set up your own planet, collect points, complete quests and challenges, and build your rocket piece by piece – your progress becomes visible.

Lio exploring the learning worlds

Find or create learning packs

Create or find topic packs for your subject or exam. Use ready-made packs from the community or access premium content from your instructors.

Lio with learning packs
Your learning questions

Creating questions? Three ways – you decide.

By hand, with AI support, or straight from your Anki deck: in just a few minutes you'll have material ready to go.

Create manually

Write your own questions and answers – full control over content and wording.

Generate with AI

Upload your PDF or script – Lio builds matching learning questions from it in seconds.

Import from Anki

Already collected flashcards? Import your Anki deck and get started right away.

For Anki fans

Bring your flashcards
along with you

Already got an Anki deck? Perfect. Import your cards into Learn Battle in just a few clicks and keep learning them — now with spaced repetition, battle mode and Lio by your side.

  1. 1 Open AnkiLaunch the Anki app on your computer.
  2. 2 Choose exportClick the export button in the menu.
  3. 3 Select your deckPick the deck you want to bring along.
  4. 4 Choose text formatExport your deck as a text file.
  5. 5 Upload & start learningUpload the file to Learn Battle and start learning right away.
Imported from Anki
Flashcard imported from Anki in the Learn Battle app
Your progress

See instantly what's solid and what's not.

Instead of guessing whether you're ready, Learn Battle shows you your real knowledge level per learning pack. Weak topics automatically move up, strong ones come up less often.

Knowledge level in percent, per learning pack
Streak tracking
Adaptive repetition exactly where it's shaky
82%
learning pack knowledge
↑ 11% this week
12
day streak
New record
340
Battle wins
↑ 7 in 3 days
1,2k
questions answered
↑ 142 today

Topic mastery · Sample view

Electrostatics
92%
Mechanics II
78%
Optics
54%
Thermodynamics
32%
Microlearning

One round is enough to stay on track.

Learn Battle fits into your day – not the other way around. Three questions on the train, a Battle during a lecture break, ten minutes on the couch in the evening. Consistency beats marathons.

Start the 5-minute test →
7:42 AM — Train 3 questions, 90 seconds Enough for today's first streak tier.
12:15 PM — Cafeteria 1 Battle with friends Who's ahead after chapter 4?
4:30 PM — Library World stage 3 15 questions plus a bonus challenge at the end.
10:00 PM — Couch Review shaky topics Optics and thermo – more solid by tomorrow.

Crew · Your study group

Sample data
1JKJakob K.2.840
2DUYou2.610
3LRLina R.2.510
4MSMara S.2.180
5TFTim F.1.940
With friends

Learning doesn't have to happen alone.

Invite your crew, compare yourselves in your own ranking, and make exam prep more motivating together. Whoever's on top buys coffee on Monday.

Ready in 4 steps

From download to your first Battle.

1

Choose your subject

Choose your field of study or school – we'll show you matching learning packs.

2

Choose a learning pack

Community pack, your own material, or premium content from your instructors.

3

Train

Solo, Battle or your own world – all draw on the same material.

4

See your progress

Review weak topics specifically, strong ones come up less often.

Voices from the community

Your experiences.

Real quotes and reviews will follow once they are approved.

★★★★★

"Really creative idea – makes studying for uni much more fun. General knowledge etc. is also fun to do against friends"

Enoelnino

★★★★★

"It's really a cool idea, and once you get into it a bit, you find so many genuinely cool features you can use for studying!!"

anonymous

★★★★★

"Very good app! Highly recommend"

anonymous

Lio mini-game

Can you swing Lio through the galaxy?

Guide the rocket, collect stars with Lio and beat your personal highscore – all in 60 seconds.

Try the Lio mini-game

Free in your browser – playable on desktop.

Learning doesn't have to be a fight –
unless it's a Battle.

Frequently asked questions

Yes! You can download the app for free and use all core modes – Solo, Battle and Expedition. Premium content from your instructors is optional.
Simply upload your PDF or enter a topic. Lio processes your material anonymously and the AI builds matching learning questions in seconds, ready for you to practice right away.
Sure! In Battle mode you challenge friends: 4 rounds, 3 questions per round, 1 winner. Perfect for studying for exams together.
Yes. Solo Training uses spaced repetition and adapts to your knowledge level – you learn exactly what you need, at your own pace.
Lio creates your learning questions, reminds you to take study breaks, and keeps your streak alive.
Learn Battle is available for iOS and Android as well as in the browser. Your progress syncs across all devices.